/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #e5e7eb;
    background: #000000;
    font-weight: 400;
    overflow-x: hidden;
    position: relative;
}

/* Enhanced Star Background - More Prominent */
.star-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: 
        /* Large bright stars - Much bigger and brighter */
        radial-gradient(3px 3px at 20px 30px, rgba(255,255,255,1), transparent),
        radial-gradient(3px 3px at 40px 70px, rgba(255,255,255,0.95), transparent),
        radial-gradient(2px 2px at 90px 40px, rgba(255,255,255,0.9), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.85), transparent),
        radial-gradient(3px 3px at 160px 30px, rgba(255,255,255,1), transparent),
        radial-gradient(2px 2px at 200px 120px, rgba(255,255,255,0.8), transparent),
        radial-gradient(2px 2px at 250px 60px, rgba(255,255,255,0.9), transparent),
        radial-gradient(3px 3px at 300px 100px, rgba(255,255,255,1), transparent),
        
        /* Medium stars - Brighter */
        radial-gradient(2px 2px at 50px 150px, rgba(255,255,255,0.8), transparent),
        radial-gradient(2px 2px at 150px 200px, rgba(255,255,255,0.75), transparent),
        radial-gradient(2px 2px at 280px 180px, rgba(255,255,255,0.85), transparent),
        radial-gradient(2px 2px at 320px 20px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 75px 250px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 225px 280px, rgba(255,255,255,0.75), transparent),
        
        /* Small stars - More visible */
        radial-gradient(1px 1px at 70px 90px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 180px 50px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 220px 150px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 310px 170px, rgba(255,255,255,0.65), transparent),
        radial-gradient(1px 1px at 100px 220px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 270px 230px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 30px 180px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 340px 80px, rgba(255,255,255,0.75), transparent),
        
        /* Blue tinted stars - Brighter and more */
        radial-gradient(2px 2px at 110px 190px, rgba(135,206,235,0.8), transparent),
        radial-gradient(2px 2px at 240px 40px, rgba(135,206,235,0.7), transparent),
        radial-gradient(1px 1px at 330px 140px, rgba(135,206,235,0.6), transparent),
        radial-gradient(1px 1px at 60px 120px, rgba(135,206,235,0.65), transparent),
        
        /* Additional scattered stars */
        radial-gradient(1px 1px at 15px 260px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 185px 15px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 350px 200px, rgba(255,255,255,0.65), transparent),
        radial-gradient(1px 1px at 120px 300px, rgba(255,255,255,0.7), transparent),
        radial-gradient(2px 2px at 290px 320px, rgba(255,255,255,0.8), transparent),
        
        #000000;
    background-repeat: repeat;
    background-size: 380px 350px;
    animation: starTwinkle 12s ease-in-out infinite alternate;
}

@keyframes starTwinkle {
    0% { opacity: 0.85; }
    50% { opacity: 1; }
    100% { opacity: 0.9; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 40px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.nav-logo:hover {
    color: #3b82f6;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #d1d5db;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #3b82f6;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #3b82f6;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.nav-link.active {
    color: #3b82f6;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.bar {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #3b82f6;
    font-weight: 500;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.3s forwards;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: #d1d5db;
    line-height: 1.7;
    font-weight: 400;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.7s forwards;
}

.btn {
    padding: 14px 28px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    cursor: pointer;
    font-size: 0.95rem;
    border: 2px solid transparent;
}

.btn-primary {
    background: #3b82f6;
    color: #ffffff;
    border: 2px solid #3b82f6;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-secondary:hover {
    background: #3b82f6;
    color: #ffffff;
    transform: translateY(-2px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-image {
    width: 550px;
    height: 550px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-photo {
    max-width: 550px;
    max-height: 550px;
    width: auto;
    height: auto;
    border-radius: 12px;
    object-fit: contain;
    border: 3px solid #3b82f6;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    animation: pulse 2s ease-in-out infinite;
}

.profile-photo:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(59, 130, 246, 0.4);
}

.hero-chart {
    width: 300px;
    height: 300px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-placeholder {
    font-size: 6rem;
    color: #3b82f6;
    opacity: 0.8;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #9ca3af;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

/* About Section */
.about {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.about-text {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 3;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #d1d5db;
    line-height: 1.7;
    font-weight: 400;
}

/* Saturn Car Image Positioning */
.saturn-car-container {
    position: absolute;
    bottom: -70px;
    right: -300px;
    z-index: 1;
    pointer-events: none;
}

.saturn-car-image {
    width: 600px;
    height: auto;
    opacity: 0.3;
    transform: rotate(-15deg);
    transition: all 0.3s ease;
    filter: brightness(0.7) contrast(1.2);
}

.about:hover .saturn-car-image {
    opacity: 0.5;
    transform: rotate(-10deg) scale(1.05);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.stat {
    text-align: center;
    padding: 2.5rem 2rem;
    background: rgba(17, 24, 39, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat:hover {
    transform: translateY(-5px);
    border-color: #3b82f6;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.stat h3 {
    font-size: 3rem;
    color: #3b82f6;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat p {
    color: #9ca3af;
    font-weight: 500;
    font-size: 1rem;
}

/* Projects Section */
.projects {
    padding: 120px 0;
    position: relative;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.project-card {
    background: rgba(17, 24, 39, 0.8);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: #3b82f6;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    height: 220px;
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

.project-img:hover {
    transform: scale(1.05);
}

.project-placeholder {
    font-size: 3rem;
    color: #3b82f6;
    opacity: 0.8;
}

.project-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.project-description {
    color: #d1d5db;
    margin-bottom: 2rem;
    line-height: 1.6;
    font-weight: 400;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
    min-height: 2.5rem;
}

.tech-tag {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: scale(1.05);
}

.project-links {
    display: flex;
    gap: 1.5rem;
    margin-top: auto;
}

.project-link {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.project-link:hover {
    color: #2563eb;
    transform: translateX(3px);
}

/* Skills Section */
.skills {
    padding: 120px 0;
    position: relative;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.skill-category {
    background: rgba(17, 24, 39, 0.8);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: #3b82f6;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.skill-category h3 {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 600;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.skill-item {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.2);
    cursor: pointer;
}

.skill-item:hover {
    background: rgba(59, 130, 246, 0.2);
    transform: scale(1.05);
}

/* Contact Section */
.contact {
    padding: 120px 0;
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(17, 24, 39, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(5px);
    border-color: #3b82f6;
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.1);
}

.contact-item i {
    font-size: 1.5rem;
    color: #3b82f6;
    min-width: 30px;
}

.contact-item h4 {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.contact-item p {
    color: #d1d5db;
    font-weight: 400;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 1rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
    background: rgba(17, 24, 39, 0.8);
    color: #e5e7eb;
    font-weight: 400;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: rgba(17, 24, 39, 0.9);
    color: #e5e7eb;
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer p {
    font-size: 0.9rem;
    color: #9ca3af;
    font-weight: 400;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: #9ca3af;
    font-size: 1.25rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 8px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.social-links a:hover {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.2);
    transform: translateY(-2px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .nav-container {
        padding: 1.2rem 20px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.5);
        padding: 3rem 0;
        gap: 2rem;
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-chart {
        width: 300px;
        height: 300px;
    }
    
    .hero-image {
        width: 280px;
        height: 280px;
    }
    
    .profile-photo {
        width: 250px;
        height: 250px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer .container {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* Saturn Car responsive adjustments */
    .saturn-car-container {
        bottom: -40px;
        right: -50px;
    }
    
    .saturn-car-image {
        width: 200px;
        opacity: 0.2;
    }
}

@media (max-width: 1200px) and (min-width: 769px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-chart {
        width: 250px;
        height: 250px;
    }
    
    .hero-image {
        width: 350px;
        height: 350px;
    }
    
    .profile-photo {
        width: 300px;
        height: 300px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .about,
    .projects,
    .skills,
    .contact {
        padding: 80px 0;
    }
    
    /* Saturn Car mobile adjustments */
    .saturn-car-container {
        bottom: -20px;
        right: -30px;
    }
    
    .saturn-car-image {
        width: 150px;
        opacity: 0.15;
        transform: rotate(-10deg);
    }
}

/* Notification styles */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: #3b82f6;
    color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    z-index: 1001;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    border: 1px solid rgba(59, 130, 246, 0.5);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: #10b981;
    border-color: #10b981;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.notification.error {
    background: #ef4444;
    border-color: #ef4444;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.3);
}